Buchans, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from -0.7 °C (low) to 7.2 °C (high). Annual precipitation averages 713 Millimeters. Buchans is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.73 °C | -4.39 °C | 16 mm |
| February | -12.16 °C | -4.63 °C | 22 mm |
| March | -10.16 °C | -2.53 °C | 22 mm |
| April | -4.02 °C | 3.02 °C | 43 mm |
| May | 0.99 °C | 10.2 °C | 64 mm |
| June | 6.11 °C | 15.87 °C | 65 mm |
| July | 10.96 °C | 20.96 °C | 76 mm |
| August | 10.77 °C | 20.34 °C | 93 mm |
| September | 6.87 °C | 15.65 °C | 99 mm |
| October | 2.59 °C | 9.05 °C | 90 mm |
| November | -1.86 °C | 3.59 °C | 77 mm |
| December | -6.99 °C | -1.41 °C | 46 mm |
| Annual | -0.7 °C | 7.2 °C | 713 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |